1; RUN: llc < %s -verify-machineinstrs -enable-misched -verify-misched
2target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
3target triple = "x86_64-apple-macosx10"
4
5; This function contains a cmp instruction with two users.
6; Hoisting the last use requires trimming the EFLAGS live range to the second.
7define void @rdar13353090(i8* %plane, i64 %_x1, i64 %_x2) {
8entry:
9  %cmp = icmp ult i64 %_x1, %_x2
10  %cond = select i1 %cmp, i64 %_x1, i64 %_x2
11  %cond10 = select i1 %cmp, i64 %_x2, i64 %_x1
12  %0 = load i64, i64* null, align 8
13  %cmp16 = icmp ult i64 %cond, %0
14  %cmp23 = icmp ugt i64 %cond10, 0
15  br i1 %cmp16, label %land.lhs.true21, label %return
16
17land.lhs.true21:                                  ; preds = %entry
18  %sub = add i64 %0, -1
19  br i1 %cmp23, label %if.then24, label %return
20
21if.then24:                                        ; preds = %land.lhs.true21
22  %cmp16.i = icmp ult i64 %cond, %sub
23  %cond20.i = select i1 %cmp16.i, i64 %cond, i64 %sub
24  %add21.i = add i64 0, %cond20.i
25  br label %for.body34.i
26
27for.body34.i:                                     ; preds = %for.inc39.i, %if.then24
28  %index.178.i = phi i64 [ %add21.i, %if.then24 ], [ %inc41.i, %for.inc39.i ]
29  %arrayidx35.i = getelementptr inbounds i8, i8* %plane, i64 %index.178.i
30  %1 = load i8, i8* %arrayidx35.i, align 1
31  %tobool36.i = icmp eq i8 %1, 0
32  br i1 %tobool36.i, label %for.inc39.i, label %return
33
34for.inc39.i:                                      ; preds = %for.body34.i
35  %inc41.i = add i64 %index.178.i, 1
36  br i1 undef, label %return, label %for.body34.i
37
38return:                                           ; preds = %for.inc39.i, %for.body34.i, %land.lhs.true21, %entry
39  ret void
40}
41